Section 18-4-501 - Issuance authorized; purpose; terms and conditions; provisions for payment and redemption(a) Each board of county commissioners may issue negotiable coupon bonds of their county for the purpose of paying, redeeming, funding or refunding the principal and interest of any indebtedness of their county when it can be done at a lower rate of interest to the benefit of the county. The bonds: (i) Shall be issued as near as practicable in denominations of one thousand dollars ($1,000.00) each, but may be issued in denominations of five hundred dollars ($500.00) and one hundred dollars ($100.00) when necessary;(ii) Shall bear interest;(iii) Shall be paid on January 1 and July 1 in each year at the office of the county treasurer or at a bank in New York City as designated by the board of county commissioners at the option of the holder;(iv) Shall be redeemed by the county in the following manner:(A) Ten percent (10%) of the total amount issued shall be paid within ten (10) years from date of issue, and ten percent (10%) of the total amount shall be paid annually thereafter until all bonds are paid, making the last bond redeemable twenty (20) years from date of issue; or(B) Any part thereof may at the option of the county issuing them be redeemed in numerical order after five (5) years from the date of issue if the time and option is stated upon the face of each bond.(v) May be issued serially as provided by W.S. 16-5-302.(b) The total amount of bonds issued at any time together with the existing indebtedness of the county shall not exceed the constitutional debt limitations for counties.